Verifying hyperparameter sensitivities of optimal filter design methods for fault signature enhancement

Recent advances in vibrations, noise, and their use for machine monitoring

Open Access

Table 3

The hyperparameter (HP) set considered for the sensitivity verification.

	HP	Baseline	Perturbations	Used in ICS2	Used in GES2N
1	D	64	16, 256	Yes	Yes

2	CORF	1.0	0.25, 4.0	Yes	Yes

3	Δα_b	0.1	0.02, 0.5	Yes	Yes

4	TEP	0	1, 10	Yes	Yes

5	N_h	10	1, 20	Yes	Yes

6	w_s	$1 \in R^{N_{h} \times 1}$	H_1:5: [1,1,1,1,1,0,0,0,0,0]^T H₁: [1,0,0,0,0,0,0,0,0,0]^T H₊: [1,2,3,4,5,6,7,8,9,10]^T H_-: [10,9,8,7,6,5,4,3,2, 1]^T	No	Yes

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